Propane tanks for the home can be installed either above or below ground. Propane tanks are available in a range of sizes to accommodate your needs. Common sizes for above ground tanks are 120, 250, 500, or 1,000 gallon, while underground tanks are usually either 500 or 1,000 gallons. The size of the tank needed depends on how much propane will be used, which varies by size of the home, climate, and the number of appliances powered by propane.
Auxin. Auxin. (Science: plant biology) a group of plant growth substances (often called phytohormones or plant hormones), the most common example being indole Acetic Acid (IAA), responsible for raising the ph around cells, making the cell wall less rigid and allowing elongation.he concentration of auxin has the deciding effect on how much (and where) growth occurs in a plant. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 3 October 2005, at 21:16.This page has been accessed 23,348 times.
Auxins are an important group of hormones that have multiple functions for plants. Cell growth, cell regeneration, and fruit production are all natural functions that auxins serve for plants. Since their discovery, auxins have been well studied and are now being produced synthetically for a variety of purposes.